Cisco ASA/Firepower Threat Defense SNMPv3 access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco ASA and Firepower Threat Defense and classified as critical. This issue affects some unknown processing of the component SNMPv3. The manipulation results in access control. This vulnerability is cataloged as CVE-2021-34794. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Cisco ASA and Firepower Threat Defense (Firewall Software) (the affected version is unknown). Affected is an unknown code of the component SNMPv3. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 10/28/2021 as cisco-sa-asaftd-snmpaccess-M6yOweq3. The advisory is available at tools.cisco.com. This vulnerability is traded as CVE-2021-34794 since 06/15/2021. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/28/2023). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/15/2021 🔍
10/28/2021 +135 days 🔍
10/28/2021 +0 days 🔍
07/28/2023 +638 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-asaftd-snmpaccess-M6yOweq3
Status: Confirmed

CVE: CVE-2021-34794 (🔍)
GCVE (CVE): GCVE-0-2021-34794
GCVE (VulDB): GCVE-100-185574

Entryinfo

Created: 10/28/2021 06:21
Updated: 07/28/2023 15:09
Changes: 10/28/2021 06:21 (49), 11/01/2021 07:47 (1), 11/01/2021 07:52 (18), 07/28/2023 15:09 (2)
Complete: 🔍
Cache ID: 216::103

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